Topic: dink's FBN Development & Fixes thread

[samo79]

Unfortunately, I can't really think of much that could increase the performance besides frame skipping - does the Amiga FBA have auto-frame skipping?  If not, you might want to try and ask HunoPPC to add that feature.
In the next release of FBA the Megadrive emulation will be slightly more cpu demanding, but the compatibility and emulation is now near perfect.  On my ancient p4 computer it barely touches the cpu, though, so you needn't worry too much.

Yes, in our port we have also a proper auto-frame skipping support :-)
However what i noted in MD emulation (compared to other emulated platforms like for example CPS-1, CPS-2, NeoGeo ecc) is that in-game speed can varies depending on the game.

So while with other emulated platform we have always a fixed rate (slow of fast no matter) emulating MegaDrive give us different results depending on the game, for example i could got 30/35 FPS in Mortal Kombat 2 while at the same time i can't play decently Mortal Kombat 3 (because at max i got 10 or less FPS)

Of course there are also specific case when very simple MD game could reach 50 FPS quite easily, this is the case of some olders games (or very simple one), but newest and complex games are in most case too mutch demanding :-(

But in general and in any games i noted that speed can be increased a lot turning off the audio (atleast in our Amiga port), so maybe certain optimizations could be donee "workarounding" a bit the audio area .. maybe.
Aniway for now i will try increasing a bit the frame skip, let's see if i will found an interim solution for playing better :-)

P.S.
Happy that you are working so hard improving the MD quality emulation !

[Fred/FRONT]

Concerning : Neo Geo development 2015...

First, Happy new year to you guys !

http://www.pouet.net/prod.php?which=66697                      Twister in a mirror by Blastar (New Homepage: http://blastar.citavia.de   must to visit )
http://blastar.citavia.de/files/twister_in_a_mirror-intro.zip      ROM: Works on real hardware or in latest MAME as "Puzzle de Pon".
202-c1.c1 [72CEED51]
202-c2.c2 [27DA57EE]
202-m1.m1 [C1C27B33]
202-p1.p1 [514BF0FD]
202-s1.s1 [111EA86C]
202-v1.v1 [0C5E044C]

http://blastar.citavia.de/files/twister_in_a_mirror-intro-ngcd.zip   ISO (all needed data is inside the prg-file and uploaded by bios.)

Note: ROM works with MESS and MAME.  may Be with FBA (*)         <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
->Treble Winner,  I Hope you can add this 'Cool' feature In FBA Emu ...
Treble Winner -> Concerning twister_in_a_mirror, could you please post a screenshot, may be a Youtube Video ?
Thanks ...

Description:  After 10years He's came back to the Neo Geo homebrew scene ... With new Demo, new Greats Tools and many more problably for 2016....
Twister in a mirror intro by blastar (who has coded a few Neo-Geo homebrew demos and games before).
This prod is for the Neo-Geo (as well as the Neo-Geo CD). it's a simple oldschool intro, a twister in front of a moving transparent mirror with a sinescroller and a short chiptune loop.

(*)TechNotes: hw-timing and hw-compatibility most emulators will fail, only M.A.M.E. is good enough, Blastar's suprised how close M.A.M.E. is to real hardware. It's also Unibios combatible, no corrupt bootlogo or wrong colors in menus.
More Words By Blastar, on the French Forum  YARONET (Programmation & Homebrew on Neo Geo): http://www.yaronet.com/topics/171418-blastar-is-back


http://www.pouet.net/prod.php?which=66723  Eira: NeoGeo CD intro by Resistance ;Very nice NG firstie from Nainain  coded in C code
http://resistance.no/files/neogeo/RSE-Eira.zip     ISO
https://www.youtube.com/watch?v=y8z4wpOPJ2M        Eira Video

other projects (in WIP):
https://www.youtube.com/watch?v=uAQaUw1F8UE   Hypernoid (Alpha Version) - Neo Geo MVS homebrew Hypernoid (work in progress)
https://www.youtube.com/watch?v=UvpX3_OXviY      Submarine Shooter - Animation Demo (Neo?Geo Dev / Wrote in C, using DATlib.) by  NeoHomeBrew
https://www.youtube.com/watch?v=CWsBYi2r5qo     Neo Thunder X: Demo 01 (Neo Geo homebrew from Italy) by  7BlackJack8

Datlib Videos  by The Hpman
https://www.youtube.com/watch?v=kqRcdfSQhfU  NeoDev DATlib demo
https://www.youtube.com/watch?v=JqO7BVnGT2s  DATlib stress test - NeoGeo dev
https://www.youtube.com/watch?v=TGE213yo6F8  More NeoGeo sprites Zorder
https://www.youtube.com/watch?v=t9NqKXxS9Cw  Scrolling demo (update) - NeoGeo dev
https://www.youtube.com/watch?v=GSXKIPdO-u8  Scrolling demo - NeoGeo dev

Some Rom & Iso are available in Pack datlib-update-02 & 0.1 : http://www.yaronet.com/topics/184910-datlib-update-02
https://www.dropbox.com/s/je72o63555mbvj1/DATlib_0.2.rar?dl=0
http://bit.ly/1gQccIR    DATlib_0.1 : Preview build can be downloaded

Screenshots  for FBA are welcome  of course

best regards,
Fred/FRONT !

[iq_132]

I like the Submarine Demo, it rips graphics straight from In The Hunt on Irem M92 hardware. It's pretty fitting to have it on NeoGeo since IIRC the Metal Slug developers made it.

[dink]

Around X-Mas time, Nanochess's Princess Quest rom for Colecovision MegaCart was released freely here: http://atariage.com/forums/topic/233102-team-pixelboy-news-bulletin-december-25th-2014/
or http://nanochess.org/princess_quest.html (the authors page)

I added the necessary MegaCart emulation to our Colecovision driver, and ... surprise!
As with all of Nanochess's games, this one is great.  (ever play Mecha-8 on MSX? awesome.) Colecovision fans will especially dig this one...

BONUS: Digger and Quest for the Golden Chalice are also added * get the free roms in the urls above *

Now, for those that think the graphics are "too retro" to be enjoyable.. here's some things to consider..  Princess Quest does smoothe per-pixel scrolling, on a TMS9918 vdp - a chip that has no hw scrolling.  It also has a neat parallax effect in the background, weapon upgrades, smart enemies, continuous BGM, Boss fights and perhaps other neat things that I havn't noticed yet. 

[Gab75]

Now, for those that think the graphics are "too retro" to be enjoyable.. here's some things to consider..  Princess Quest does smoothe per-pixel scrolling, on a TMS9918 vdp - a chip that has no hw scrolling.  It also has a neat parallax effect in the background, weapon upgrades, smart enemies, continuous BGM, Boss fights and perhaps other neat things that I havn't noticed yet.

Moreover (IMHO) an emulation is always good, regardless of game... it represents a little "piece of history" anyway! (for the recent creations too)
Thanks dink!

[dink]

The classic game Ambush now works properly when launching off.  The game is so quirky and horribly hard, nobody probably ever made it past take-off to notice things were broken

[Pityesz]

I don't know if this is the right place for making a request, but the Psycho Soldier could be included in the new version?

https://en.wikipedia.org/wiki/Psycho_Soldier

It is an old classic, very important for me because it was the very first game with vocal track. It has two notable versions: one with English lyrics, and one with Japanese.

[Gab75]

I don't know if this is the right place for making a request, but the Psycho Soldier could be included in the new version?

https://en.wikipedia.org/wiki/Psycho_Soldier

It is an old classic, very important for me because it was the very first game with vocal track. It has two notable versions: one with English lyrics, and one with Japanese.

IIRC the Psycho Soldier hardware should be very similar to Chopper I, Guerrilla War and Victory Road hardwares (other good SNK games) !

[Pityesz]

Then it should be no problem. 

We must ride the Phoenix Athena in multiplayer again!

[dink]

iq_132 had started a snk triple-z80 series driver a couple months back - maybe if you ask him nicely he will finish it

[Pityesz]

Oh, I don't want to ask for faster work. I can wait for the good things. And my primary request is already filled: the Wolf Fang -Kuhga 2001- sound problem will be fixed in the next version. 

Oh, before I forgot. Is the Nebulas Ray planned to add to the emulator?

[Gab75]

iq_132 had started a snk triple-z80 series driver a couple months back - maybe if you ask him nicely he will finish it

Another very good news! We should thank for your work!

[Arcadez]

Oh, before I forgot. Is the Nebulas Ray planned to add to the emulator?

A new driver + M37710 CPU add to that two sound cores plus multiple video files i'd say you have more chance of seeing the
pope in a brothel than you have this game being playable in FBA 

[Pityesz]

Oh I see, actually this isn't problem for me, since the old version of MAME 0.119 Plus run it and have multiplayer too. XD

However I found a bug with Cadash on both PCE and TG16. The screen always shaking no matter what option I use.

[dink]

However I found a bug with Cadash on both PCE and TG16. The screen always shaking no matter what option I use.

This is a known problem with Cadash in several emulators (not magic engine though), so in the meantime play the arcade version.